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Èë²ØºÅ: WOS:000347742300019


±êÌâ: MnO2 nanosilks self-assembled micropowders: Facile one-step hydrothermal synthesis and their application as supercapacitor electrodes
×÷Õß: Li, ZS (Li, Zesheng); Liu, ZH (Liu, Zhenghui); Lia, BL (Lia, Bolin); Li, DH (Li, Dehao); Li, QY (Li, Qingyu); Wang, HQ (Wang, Hongqiang)
À´Ô´³ö°æÎï: JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS  ¾í: 45  ÆÚ: 6  Ò³: 2995-2999  DOI: 10.1016/j.jtice.2014.08.015  ³ö°æÄê: NOV 2014  
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
±»ÒýƵ´ÎºÏ¼Æ: 0
ÒýÓõIJο¼ÎÄÏ×Êý: 25
ÕªÒª: Novel MnO2 nanosilks self-assembled micropowders have been prepared by a simple one-step hydrothermal synthesis method. The structure and morphology of the MnO2 are investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The capacitive properties of the MnO2 are investigated by cyclic voltammetry (CV) and constant current charge-discharge. The SEM results showed that the MnO2 micropowders are assembled by numerous one-dimensional MnO2 nanosilks. These MnO2 nanosilks are found to be 30-50 nm in diameter and characteristic length up to 2 pm. When evaluated for supercapacitor electrode, a desirable specific capacitance of 135 F/g for the single MnO2 electrode is obtained at current density of 0.15 A/g in 1 M Na2SO4 aqueous solution. (C) 2014 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
Èë²ØºÅ: WOS:000347742300019
ÓïÖÖ: English
ÎÄÏ×ÀàÐÍ: Article
×÷Õ߹ؼü´Ê: Manganese dioxide; One-dimensional nanostructures; Hydrothermal synthesis; Supercapacitors
KeyWords Plus: ELECTROCHEMICAL PROPERTIES; NANOPARTICLES; PERFORMANCES; MANGANESE; NANORODS; OXIDES; CARBON
µØÖ·: [Li, Zesheng; Liu, Zhenghui; Lia, Bolin; Li, Dehao] Guangdong Univ Petrochem Technol, Cleaner Prod Guangdong Univ, Coll Chem Engn, Dev Ctr Technol Petrochem Pollut Control, Maoming 525000, Guangdong, Peoples R China.
[Li, Qingyu; Wang, Hongqiang] Guangxi Normal Univ, Sch Chem & Chem Engn, Key Lab Chem & Mol Engn Med Resources, Minist Educ China, Guilin 541004, Guangxi, Peoples R China.
ͨѶ×÷ÕßµØÖ·: Li, ZS (ͨѶ×÷Õß),Guangdong Univ Petrochem Technol, Cleaner Prod Guangdong Univ, Coll Chem Engn, Dev Ctr Technol Petrochem Pollut Control, Maoming 525000, Guangdong, Peoples R China.
µç×ÓÓʼþµØÖ·: Izs212@163.com; hqw74@163.com
³ö°æÉÌ: ELSEVIER SCIENCE BV
³ö°æÉ̵ØÖ·: PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Web of Science Àà±ð: Engineering, Chemical
Ñо¿·½Ïò: Engineering
IDS ºÅ: AY7LS
ISSN: 1876-1070
eISSN: 1876-1089
29 ×Ö·ûµÄÀ´Ô´³ö°æÎïÃû³ÆËõд: J TAIWAN INST CHEM E
ISO À´Ô´³ö°æÎïËõд: J. Taiwan Inst. Chem. Eng.
À´Ô´³ö°æÎïÒ³Âë¼ÆÊý: 5
»ù½ð×ÊÖúÖÂл:
»ù½ð×ÊÖú»ú¹¹        ÊÚȨºÅ
National Natural Science Foundation of China        
20663001
20763002
Special guidance project for the development of Guangdong high tech zone        
2011B010700060
Science and technology project of Maoming        
2014006
       
513086
Financial supports by the National Natural Science Foundation of China (Nos. 20663001 and 20763002), Special guidance project for the development of Guangdong high tech zone (2011B010700060), Science and technology project of Maoming (2014006) and Doctor startup project of school (513086) are gratefully acknowledged.
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